diff options
| -rw-r--r-- | hw/net/cadence_gem.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index a26861e2ae..5335db874f 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -911,14 +911,16 @@ static void gem_transmit(GemState *s) /* Last descriptor for this packet; hand the whole thing off */ if (tx_desc_get_last(desc)) { + unsigned desc_first[2]; + /* Modify the 1st descriptor of this packet to be owned by * the processor. */ - cpu_physical_memory_read(s->tx_desc_addr, - (uint8_t *)&desc[0], sizeof(desc)); - tx_desc_set_used(desc); - cpu_physical_memory_write(s->tx_desc_addr, - (uint8_t *)&desc[0], sizeof(desc)); + cpu_physical_memory_read(s->tx_desc_addr, (uint8_t *)desc_first, + sizeof(desc_first)); + tx_desc_set_used(desc_first); + cpu_physical_memory_write(s->tx_desc_addr, (uint8_t *)desc_first, + sizeof(desc_first)); /* Advance the hardare current descriptor past this packet */ if (tx_desc_get_wrap(desc)) { s->tx_desc_addr = s->regs[GEM_TXQBASE]; |